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90 lines
4.2 KiB
C
90 lines
4.2 KiB
C
/*
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* Copyright (c) 2017, Annika Wierichs, RWTH Aachen University
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* TODO: Documentation
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*
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*/
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#include "uhyve-ibv.h"
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#include <infiniband/verbs.h> // Linux include
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/*void call_ibv_get_device_list(struct kvm_run * run, uint8_t * guest_mem) {*/
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/*unsigned data = *((unsigned*)((size_t)run+run->io.data_offset));*/
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/*uhyve_ibv_get_device_list_t* args = (uhyve_ibv_get_device_list_t*) (guest_mem+data);*/
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/*// Call IBV function from hypervisor*/
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/*int num_devices;*/
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/*struct ibv_device **temp_dev_list = ibv_get_device_list(&num_devices);*/
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/*// Copy number of devices to kernel memory */
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/*memcpy(guest_mem+(size_t)args->num_devices, &num_devices, sizeof(num_devices));*/
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/*for (int d = 0; d < num_devices; d++) {*/
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/*printf("uhyve.c: before memcpy list[d].\n");*/
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/*// Copy array entry containing ibv_device struct to kernel memory*/
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/*memcpy(guest_mem + (size_t)args->dev_phys_ptr_list[d], temp_dev_list[d], sizeof(struct ibv_device));*/
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/*}*/
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/*}*/
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void call_ibv_open_device(struct kvm_run * run, uint8_t * guest_mem) {
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unsigned data = *((unsigned*)((size_t)run+run->io.data_offset));
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uhyve_ibv_open_device_t * args = (uhyve_ibv_open_device_t *) (guest_mem + data);
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struct ibv_context * host_ret = ibv_open_device(guest_mem+(size_t)args->device);
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memcpy(guest_mem+(size_t)args->ret, host_ret, sizeof(host_ret));
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// TODO: Convert ptrs contained in return value.
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// TODO: Delete host_ret data structure.
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}
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void call_ibv_get_device_name(struct kvm_run * run, uint8_t * guest_mem) {
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unsigned data = *((unsigned*)((size_t)run+run->io.data_offset));
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uhyve_ibv_get_device_name_t * args = (uhyve_ibv_get_device_name_t *) (guest_mem + data);
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const char * host_ret = ibv_get_device_name(guest_mem+(size_t)args->device);
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memcpy(guest_mem+(size_t)args->ret, host_ret, sizeof(host_ret));
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// TODO: Convert ptrs contained in return value.
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// TODO: Delete host_ret data structure.
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}
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void call_ibv_query_port(struct kvm_run * run, uint8_t * guest_mem) {
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unsigned data = *((unsigned*)((size_t)run+run->io.data_offset));
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uhyve_ibv_query_port_t * args = (uhyve_ibv_query_port_t *) (guest_mem + data);
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int host_ret = ibv_query_port(guest_mem+(size_t)args->context, port_num, guest_mem+(size_t)args->port_attr);
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args->ret = host_ret;
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}
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void call_ibv_create_comp_channel(struct kvm_run * run, uint8_t * guest_mem) {
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unsigned data = *((unsigned*)((size_t)run+run->io.data_offset));
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uhyve_ibv_create_comp_channel_t * args = (uhyve_ibv_create_comp_channel_t *) (guest_mem + data);
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struct ibv_comp_channel * host_ret = ibv_create_comp_channel(guest_mem+(size_t)args->context);
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memcpy(guest_mem+(size_t)args->ret, host_ret, sizeof(host_ret));
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// TODO: Convert ptrs contained in return value.
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// TODO: Delete host_ret data structure.
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}
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